A system and method for treating a fluid carrying a contaminant to which a photoactive material has been bound include a treatment device that defines a flow passage with a gap. The system and method operate to establish a flow of fluid from the inlet end of the gap to the outlet end of the gap. The...http://www.google.co.uk/patents/US5868695?utm_source=gb-gplus-sharePatent US5868695 - Systems and methods for eradicating contaminants using photoactive materials in fluids like blood using discrete sources of radiation
